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COMSPHERE 3820
Plus Modems
Model 3982-A1-401
Installation Instructions
Document Number 3982-A2-GK40-10
November 1996
Overview
The 3820Plus modem, Model 3982-A1-401 (Figure 1),
has different installation instructions than those shown in
the COMSPHERE 3800Plus Modems User’s Guide
(3980-A2-GB30). The Model 3982-A1-401 modem has
an 8-pin modular jack for leased-line connection and a
6-pin modular jack for dial-line connection. The model
shown in the User’s Guide has a single jack for leased-line
or dial-line connection.
Use these instructions to install your modem, and keep
them with your User’s Guide.
SPEAKER
DIAGNOSTIC
CONTROL
PANEL
LCD AND
KEYPAD
STATUS
INDICATORS
POWER
SUPPLY
POWER
CORD
496-14160-03
POWER
ON/OFF
LEASED
DIAL
DTE 1
NMS
POWER IN
Figure 1. 3820
Plus Modem (Model 3982-A1-401)
TM